//����������������������������������������
// Description:
//   MultiCheckElem is the "custom_element" function that builds the custom multiple check box input
//   element. From what I have gathered, jqGrid calls this the first time the form is launched. After
//   that, only the "custom_value" function is called.
//
//   The full list of checkboxes is in the jqGrid "editoptions" section "list" tag (in the options
//   parameter).
//����������������������������������������
function MultiCheckElem( value, options )
{
   //������-
   // for each checkbox in the list
   //   build the input element
   //   set the initial "checked" status
   // endfor
   //������-
  
	/*
   var ctl = '';
   var ckboxAry = options.list.split(',');

   for ( var i in ckboxAry )
   {
      var item = ckboxAry[i];
      ctl += '<input type="checkbox" ';

      if ( value.indexOf(item ) != -1 )
         ctl += 'checked="checked" ';
      ctl += 'value="' + item + '"> ' + item + '</input>';
      
      if (i%2 == 1 )
      { ctl += '<br />&nbsp;';}
   }

   
   return ctl; 
 */
	
	   var htmltable = '<table>';
	   var ckboxAry = options.list.split(',');

	   
	   for ( var i in ckboxAry )
	   {    
		  var htmltd ='';
		 
	      var item = ckboxAry[i];
	      htmltd += '<input type="checkbox" ';

	      if ( value.indexOf(item ) != -1 )
	         htmltd += 'checked="checked" ';
	      htmltd += 'value="' + item + '"> ' + item + '</input>';
	      
		  htmltd ="<td nowrap='nowrap'>" + htmltd + '</td>';
	      if (i%2 == 1 ) {
			htmltable +=   htmltd + '</tr>';
		  }
		  else {
			htmltable +='<tr>' + htmltd;
		  }
	   }
	   
	   
	   htmltable += '</table>';
	   
	   return htmltable;
}



//����������������������������������������
// Description:
//   MultiCheckVal is the "custom_value" function for the custom multiple check box input element. It
//   appears that jqGrid invokes this function the first time the form is submitted and, the rest of
//   the time, when the form is launched (action = set) and when it is submitted (action = 'get').
//����������������������������������������
function MultiCheckVal(elem, action, val)
{
   elem = 	$(elem.selector).find("input");
	
   //var input = $(elem.selector.input);
   var items = '';
   if (action == 'get') // the form has been submitted
   {
      //������-
      // for each input element
      //   if it's checked, add it to the list of items
      // endfor
      //������-
      for (var i in elem)
      {
    	  if (elem[i].tagName == 'INPUT' && elem[i].checked ) {
        	 items += elem[i].value + ',';
         	}
       } 

      // items contains a comma delimited list that is returned as the result of the element
      items = items.replace(/,$/, '');
   }
   else // the form is launched
   {
      //������-
      // for each input element
      //   based on the input value, set the checked status
      // endfor
      //������-
      for (var i in elem)
      {
         if (elem[i].tagName == 'INPUT')
         {
            if (val.indexOf(elem[i].value) == -1)
               elem[i].checked = false;
            else
               elem[i].checked = true;
         }
      } // endfor
   }

   return items;
}